84708040

素因数分解:

$2^3\times 5^1\times {\mathrm{2117701}}^1$

素因数の和:2117712

約数の個数: 16

約数和(自身を含む): 190593180

約数和(自身を除く): 105885140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2117701, 4235402, 8470804, 10588505, 16941608, 21177010, 42354020, 84708040]

約数ペア:

[(1, 84708040), (2, 42354020), (4, 21177010), (5, 16941608), (8, 10588505), (10, 8470804), (20, 4235402), (40, 2117701)]